Home / 53,329.68-80,005.86-18,259.92

Finding the Fourth Proportional to 53,329.68, 80,005.86 and 18,259.92

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Solution

The fourth proportional to 53,329.68, 80,005.86 and 18,259.92 is: 27,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,329.68 : 80,005.86 = 18,259.92 : x
  2. Step 2: Convert to fraction form
    53,329.68/80,005.86 = 18,259.92/x
  3. Step 3: Cross multiply
    53,329.68x = 80,005.86 × 18,259.92
  4. Step 4: Simplify right side
    53,329.68x = 1,460,900,603.13
  5. Step 5: Solve for x
    x = 1,460,900,603.13/53,329.68
  6. Step 6: Final answer
    x = 27,393.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.